Introduced the driving gear box for bi-directional twin screw extruder, the new thrustdevice can instead of the traditional thrust fit.
介绍了双向双螺杆挤出机用传动箱，新型止推装置可替代传统的止推包。
2
Use a Hugh high density whirling wing to generated the needed take off lift, and use a standard pusher thrust producing device to propel the aircraft into forward flight!
休使用高密度旋转机翼产生的需要起飞电梯，并使用一个标准的推手推力生产装置推到前飞的飞机！
3
Since the thrust ripple has great influence on the precision and steadiness of the velocity control, the sliding-mode control device of speed loop was designed.